Question: Who was Louis Pasteur main influence ?
Paraphrase: Who was Louis Pasteur fundamental impact ?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P737 wd:Q529 . ?sbj wdt:P31 wd:Q5 } 
Answer: Alexandre Yersin, Pierre-Paul Émile Roux, Charles Chamberland, Adrien Loir